On May 15, the city, Las Vegas, in Nevada was founded.
There are a lot of things that has happen on May 15th that made history. One thing happen on May 15th 1672 was the 1st copyright law enacted by Massachusetts.
Yes, a noteworthy event today in history includes the Nazi party killing mass numbers of Warsaw Jews on November 15, 1939.
Yes, a noteworthy event for today, March 15, 2014 is the opening of the first blood bank in 1937.
See the related link to Wikipedia - for a list of notable happenings for your date.
One noteworthy news item to happen today, February 15, 1804, was slavery was ended in New Jersey.
On October 15, 1881, the first edition of American Angler was published.
The first assembly of the League of Nations was held on November 15, 1920 in Geneva, Switzerland.
On April 15, 1931, the first person to walk America backwards began.
On September 15, 1967, Popular Bluff, MO started broadcasting the ABC channel, KPOB TV channel 15.
On September 15, 1982, the newspaper, USA Today, went on sale for the first time.
On October 15, 1939, New York City, NY opened LaGuardia Airport.
On November 15, 1859 the first modern revival of the Olympics took place in Athens, Greece.
Some noteworthy things that occurred on August 15th include: In 1519, Panama City Panama is founded In 1537, Asuncion, Paraguay is founded In 1540, Arequipa, Peru is founded. In 1914, World War I: Beginning of the Battle of Cer, the first Allied victory of World War I occurs. The Wizard of Oz premieres in 1939. In 1948, The Republic of Korea is established south of the 38th parallel north. In 1969, Woodstock opens.